217658753

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{3037}}^1$

素因数の和:3236

約数の個数: 16

約数和(自身を含む): 242432400

約数和(自身を除く): 24773647

約数列:

[1, 13, 37, 149, 481, 1937, 3037, 5513, 39481, 71669, 112369, 452513, 1460797, 5882669, 16742981, 217658753]

約数ペア:

[(1, 217658753), (13, 16742981), (37, 5882669), (149, 1460797), (481, 452513), (1937, 112369), (3037, 71669), (5513, 39481)]